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Dallas Professional Foil Radiant Barrier Contractor
Home Attic Foil Radiant Barrier
Foil Radiant Barrier
is a reflective insulation system that offers a permanent solution to reduce your energy costs. The best type of radiant barrier system is a very thin, lightweight, but surprisingly durable material comprised of 99% aluminum foil, which will reflect 95% of the radiant heat coming into the attic. It reduces the loss of heat in the winter through the roof and keeps heat out of your attic in the summer.
Traditional insulation materials such as fiberglass and cellulose are used to absorb or resist (slow down) heat transfer of conductive, convective and radiant heat. The most dominant form of heat transfer is radiant heat transfer. A 99% aluminum radiant barrier most effectively stops radiant heat. Radiant barriers reflect heat instead of trying to absorb it. By installing a foil radiant barrier in your attic, you can reduce the heat loss in the winter and the heat gain in the summer, increase the efficiency of your current insulation, make your home feel more comfortable, and save on your energy bill.
Why Install Super R Plus Foil Radiant Barrier
- Foil radiant barrier is a true radiant barrier
- Reflects 95% radiant heat
- Clean, lightweight & very strong
- Perforated to allow proper ventilation
- Does not promote the growth of fungi or bacteria
- Provides no nest support for rodent or insects
- Requires no maintenance
The difference between a foil radiant barrier and the "radiant barrier paints"
There's a big difference! A true radiant barrier reflects 90% or more of the radiant heat. The most effective reflective paint reflects only 81% of the radiant heat.
Such reflective paints are NOT radiant barriers as they don't meet the minimum 90% reflectivity requirement set forth for radiant barriers by the Department of Energy (DOE). They are actually termed as Interior Radiation Control Coatings (IRCC). There are many manufacturers of such products with a wide range of reflectivity from as low as 15% to 81%.
The difference between a radiant barrier and reflective insulation
A radiant barrier and reflective insulation product are very similar in that they both reflect an average of 95-96% of the radiant heat that strikes their surfaces across and air space. A radiant barrier is a fairly thin product that is about the thickness of a standard business card. A quality radiant barrier has a reinforcement layer in the middle (typically referred to as a woven scrim) to make the product strong and tear resistant.
A reflective insulation product is a thicker product with an "insulating" middle layer such as fiberglass, foam, or air bubbles. Because of the presence of the small insulating layer, a reflective insulation product by itself achieves a small R-value
the "R" value of a radiant barrier
Radiant barriers do not "absorb" heat like mass insulation (fiberglass, cellulose, foam, etc). Instead, Super R Plus radiant barriers, with their highly reflective surfaces, reflect 95% of the radiant heat that hit their surfaces and therefore, have no R-value rating.
Installing a radiant barrier between the heat source (sun) and an existing R-value rated insulation will improve the effectiveness of the R-value rated insulation. Why? Because only 5% of the radiant heat is now hitting the R-value rated mass insulation thereby extending the amount of time it has to absorb heat before becoming saturated and passing the heat into your living spaces.
